To Say That Persuasion Is "Pervasive" Means

To say that persuasion is "pervasive" means

A) influence attempts are found everywhere you find people communicating
B) it is difficult to define what is and isn't persuasion
C) persuasion plays a major role in the "people" professions, but a minor or negligible role in the natural sciences
D) influence attempts are usually explicit or overt, rather than subtle or implicit